Feature:1. Multi Purpose: Saw blade is suitable for cutting wood materials, PVC pipes, fiberglass boards, plywood, etc., with a wide range of uses.2. Fast Cutting: Circular saw blades have very incisive teeth, smoother cutting, fast speed, and no burrs.3. Excellent Material: Mini wood circular saw blade is made of high speed steel, adamas , hard alloy, wear resistant and durable, high strength.4. Fast Speed: The maximum speed of TCT saw blade is 7000RPM, cutting cleanly and smoothly, and the cutting surfaces are smoother.5. Easy to Install: HSS wood circular saw blade is easy to install and easy to operate. It is suitable for electric drills with a hole diameter of 11.1mm.Specification:Item Type: Saw BladeMaterial: High Speed Steel, Adamas, Cemented CarbideGear Size:Inner Diameter: Approx. 11.1mm / 0.4inOuter Diameter: Approx. 54.8mm / 2.2inGear Type: High Speed Steel Saw Blade (30 Teeth), Adamas Cutting Wheel, TCT Saw Blade (18 Teeth)Maximum Speed: 7000RPM Package List:3 x Saw Blade1 x AccessoriesNote:Do a good job of safety protection when in use, the maximum speed is 7000RPM.